%0 Journal Article %A V. L. Litvinov %T Variational formulation of the~problem on vibrations of a~beam with a~moving spring-loaded support %J Teoretičeskaâ i matematičeskaâ fizika %D 2023 %P 289-296 %V 215 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2023_215_2_a8/ %G ru %F TMF_2023_215_2_a8